3 years ago

Pleasee help me with this problemm

2 answers:

5 0

(sqrt18 + 2 sqrt3)^2

sqrt18 = sqrt9 * sqrt2 = 3 sqrt2

(3 sqrt2 + 2 sqrt3)(3 sqrt2 + 2 sqrt3)

= 9 *2 + 6sqrt6 + 6 sqrt6 + 4*3

= 30 + 12 sqrt6 answer

iragen [17]3 years ago

3 0

(_/18+2_/3)^(2

=(3_/2^(2 + (2)(2_/3)(3_/2) + 2_/3^(2)

=18+ 12_/6 +12

=30+12_/6

hope this helps

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